American Society for Testing and Materials (ASTM). Current edition approved Dec. 1, 2009. Published January 2010. Originally approved in 1966. Last previous edition approved in 2009 as D2513 – 09. 61 p. This specification covers requirements and test methods for material dimensions and tolerances, hydrostatic burst strength, chemical resistance, and rapid crack resistance of polyethylene pipe, tubing, and fittings for use in fuel gas mains and services for direct burial and reliner applications. The pipe and fittings covered by this specification are intended for use in the distribution of natural gas. Requirements for the qualifying of polyethylene systems for use with liquefied petroleum gas are also covered.